CN1067066C - α-生育酚的制备方法 - Google Patents

α-生育酚的制备方法 Download PDF

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Publication number
CN1067066C
CN1067066C CN95109665A CN95109665A CN1067066C CN 1067066 C CN1067066 C CN 1067066C CN 95109665 A CN95109665 A CN 95109665A CN 95109665 A CN95109665 A CN 95109665A CN 1067066 C CN1067066 C CN 1067066C
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CN
China
Prior art keywords
acetate
solvent
alpha
tocopherol
alcohol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN95109665A
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English (en)
Chinese (zh)
Other versions
CN1123278A (zh
Inventor
広濑德康
井上广
松波利夫
吉村孝志
森田浩三
堀川有
岩田伦佳
南法夫
林宪司
关千秋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eisai R&D Management Co Ltd
Original Assignee
Eisai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26496517&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN1067066(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Eisai Co Ltd filed Critical Eisai Co Ltd
Publication of CN1123278A publication Critical patent/CN1123278A/zh
Application granted granted Critical
Publication of CN1067066C publication Critical patent/CN1067066C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/70Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
    • C07D311/723,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrane Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CN95109665A 1994-07-27 1995-07-27 α-生育酚的制备方法 Expired - Lifetime CN1067066C (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP175167/94 1994-07-27
JP17516794 1994-07-27
JP175167/1994 1994-07-27
JP282309/1994 1994-11-16
JP282309/94 1994-11-16
JP28230994 1994-11-16

Publications (2)

Publication Number Publication Date
CN1123278A CN1123278A (zh) 1996-05-29
CN1067066C true CN1067066C (zh) 2001-06-13

Family

ID=26496517

Family Applications (1)

Application Number Title Priority Date Filing Date
CN95109665A Expired - Lifetime CN1067066C (zh) 1994-07-27 1995-07-27 α-生育酚的制备方法

Country Status (5)

Country Link
US (2) US5663376A (fr)
EP (1) EP0694541B2 (fr)
CN (1) CN1067066C (fr)
CA (1) CA2154605C (fr)
DE (1) DE69515750T3 (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6020505A (en) * 1994-07-27 2000-02-01 Eisai Co., Ltd. Process for the preparation of α-tocopherol
JP2002502360A (ja) * 1996-01-29 2002-01-22 ビーエーエスエフ アクチェンゲゼルシャフト dlα―トコフェロールまたは酢酸dl―α―トコフェリルの製造方法
DE19654038A1 (de) * 1996-12-23 1998-06-25 Basf Ag Verfahren zur Herstellung von alpha-Tocopherol oder alpha-Tocopherylacetat durch Umsetzen von Trimethylhydrochinon und Phytol oder Isophytol unter Rückführung des Kondensationskatalysators Zinkchlorid
US6005122A (en) * 1996-12-23 1999-12-21 Basf Aktiengesellschaft Preparation of α-tocopherol or α-tocopheryl acetate by reacting trimethylhydroquinone and phytol or isophytol, with recycling of the zinc halide condensation catalyst
US6029415A (en) 1997-10-24 2000-02-29 Abco, Inc. Laminated vinyl siding
DE19757124A1 (de) * 1997-12-20 1999-06-24 Degussa Verfahren zur Herstellung von alpha-Tocopherolestern
ES2264230T3 (es) * 1998-04-06 2006-12-16 Dsm Ip Assets B.V. Procedimiento par ala obtencion de d,1-alfa-tocoferol, en un disolvente de carbonato y en presencia de un catalizador de acido conteniendo azufre.
IN188479B (fr) 1998-07-10 2002-09-28 Hoffmann La Roche
EP0970953B1 (fr) * 1998-07-10 2004-09-29 DSM IP Assets B.V. La préparation de l'alpha-tocophérol
FR2784104B1 (fr) * 1998-09-18 2002-12-27 Rhone Poulenc Nutrition Animal Procede de preparation de la vitamine e
RU2163600C2 (ru) * 1998-12-04 2001-02-27 Общество с ограниченной ответственностью конструкторское бюро "Пульс" СПОСОБ ПОЛУЧЕНИЯ α-ТОКОФЕРОЛА (ВИТАМИНА E)
KR100452291B1 (ko) * 1999-12-14 2004-10-08 에스케이 주식회사 고수율 및 고순도로 DL-α-토코페롤를 제조하는 방법
WO2001060768A1 (fr) * 2000-02-21 2001-08-23 Takeda Chemical Industries, Ltd. Procede de production de composes cycliques
DE102004038800A1 (de) 2003-08-13 2005-03-31 Dsm Ip Assets B.V. Herstellung von Tocol, Tocolderivaten und Tocopherolen
WO2005054223A2 (fr) 2003-12-05 2005-06-16 Dsm Ip Assets B.V. Procede de fabrication de composes aromatiques hydroxyles alcenyles de composes chromans et de leurs derives acyles
CN100586915C (zh) * 2003-12-05 2010-02-03 帝斯曼知识产权资产管理有限公司 用于制备链烯基化的羟化芳族化合物、苯并二氢吡喃化合物和其酰化衍生物的方法
JP4999690B2 (ja) * 2004-06-11 2012-08-15 ディーエスエム アイピー アセッツ ビー.ブイ. クロマン誘導体、特にα−トコフェロールおよびそのアルカノエートの製造方法
EP2014137B1 (fr) 2006-05-04 2017-08-09 LG Display Co., Ltd. Dispositif électroluminescent organique présentant un motif électroluminescent et procédé de préparation dudit dispositif
DE102009051118B4 (de) * 2009-10-13 2014-04-30 Otto Bock Mobility Solutions Gmbh Elektrorollstuhl
JP2013536216A (ja) 2010-08-24 2013-09-19 ディーエスエム アイピー アセッツ ビー.ブイ. 3,7−ジメチル−1−オクテン−3−オールの製造方法
CN102964330A (zh) * 2011-08-31 2013-03-13 卫材R&D管理有限公司 α-生育酚及α-生育酚乙酸酯的制造方法
US12209164B2 (en) 2019-09-10 2025-01-28 Ticona Llc Polymer composition and film for use in 5G applications
US12142820B2 (en) 2019-09-10 2024-11-12 Ticona Llc 5G system containing a polymer composition
US11917753B2 (en) 2019-09-23 2024-02-27 Ticona Llc Circuit board for use at 5G frequencies
EP4077301A1 (fr) 2019-12-19 2022-10-26 DSM IP Assets B.V. Formation d'alpha-tocophérol à partir de 2,3,6-triméthylphénol
CN116987057A (zh) * 2023-06-16 2023-11-03 江苏宏邦化工科技有限公司 一种维生素e乙酸酯的合成方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4947372A (fr) * 1972-09-12 1974-05-08
US4168271A (en) * 1977-04-13 1979-09-18 Scm Corporation Unsaturated vitamin E intermediates--dehydro and didehydro α-tocopherols

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2411969A (en) 1938-03-31 1946-12-03 Hoffmann La Roche Process for the preparation of synthetic dl-tocopherols
DE960720C (de) 1954-01-25 1957-03-28 Hoffmann La Roche Verfahren zur Herstellung von ª‡-Tocopherol
DE1015446B (de) 1956-09-01 1957-09-12 Knoll Ag Verfahren zur Herstellung von d, 1-ª‡-Tocopherol
US3459773A (en) 1966-12-27 1969-08-05 Takasago Perfumery Co Ltd Process for producing alpha-tocopherol and its esters
US3444213A (en) 1967-07-12 1969-05-13 Eastman Kodak Co Continuous process for producing dl alpha tocopherol
CH547278A (de) 1971-01-11 1974-03-29 Hoffmann La Roche Verfahren zur herstellung von chromanderivaten.
US3708505A (en) 1971-02-25 1973-01-02 Diamond Shamrock Corp Process for preparation of d,l-alpha tocopherol
US5110955A (en) * 1989-04-14 1992-05-05 Hoffmann-La Roche Inc. Tocopherol synthesis: chromane cyclization and catalysis
DE4208477A1 (de) 1992-03-17 1993-09-23 Basf Ag Verfahren zur herstellung von vitamin e
JP3848380B2 (ja) 1993-12-14 2006-11-22 エーザイ・アール・アンド・ディー・マネジメント株式会社 α−トコフェロール誘導体の製造法
JP3416281B2 (ja) 1994-04-12 2003-06-16 エーザイ株式会社 α−トコフェロール誘導体の製造方法および触媒

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4947372A (fr) * 1972-09-12 1974-05-08
US4168271A (en) * 1977-04-13 1979-09-18 Scm Corporation Unsaturated vitamin E intermediates--dehydro and didehydro α-tocopherols

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
C.AV01,81,NO,30,1974 1974.10.28 YAMA2AK HAJIME ERAL 2-TOCOPHEROL *

Also Published As

Publication number Publication date
US5886197A (en) 1999-03-23
CN1123278A (zh) 1996-05-29
DE69515750T3 (de) 2005-01-20
DE69515750D1 (de) 2000-04-27
DE69515750T2 (de) 2000-08-10
EP0694541B1 (fr) 2000-03-22
EP0694541B2 (fr) 2004-03-03
CA2154605C (fr) 2004-10-05
CA2154605A1 (fr) 1996-01-28
US5663376A (en) 1997-09-02
EP0694541A1 (fr) 1996-01-31

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Owner name: WEI CAI & D MANAGEMENT CO., LTD.

Free format text: FORMER OWNER: EISAI CO., LTD.

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Address after: Tokyo, Japan, Japan

Patentee after: Eisai R. & D. Man Co., Ltd.

Address before: Tokyo, Japan

Patentee before: Eisai co., Ltd.

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 19960529

Assignee: Eisai co., Ltd.

Assignor: Eisai R. & D. Man Co., Ltd.

Contract record no.: 2013990000017

Denomination of invention: Process for manufacturing d, 1-alpha-tocopherol

Granted publication date: 20010613

License type: Common License

Record date: 20130115

Application publication date: 19960529

Assignee: Wei foods Chemical Co Ltd

Assignor: Eisai co., Ltd.

Contract record no.: 2013990000018

Denomination of invention: Process for manufacturing d, 1-alpha-tocopherol

Granted publication date: 20010613

License type: Common License

Record date: 20130115

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 19960529

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Assignor: Guardian Management Company Limited

Contract record no.: 2013990000017

Denomination of invention: Process for manufacturing d, 1-alpha-tocopherol

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